What causes light flashes in the eye after laser surgery? what causes light flashes in the eye after laser surgery for glucoma and macular degeneration of the eye?

Laser : Laser treatments to the eye may cause the vitreous jelly in the eye to move. The movement of the vitreous jelly may pull on the retina to cause flashing lights. If the flashing lights increase in frequency or intensity, and if you see new floaters, you should return to your ophthalmologist for an examination.

Which is it: Laser surgery for glaucoma and for macular degeneration are very different and normally would not be done at the same time.

After images. : Light flashes in the eye after laser surgery are most likely after images. Usually they go away. Laser is used for glaucoma, diabetes, and retinal tears. It is less often used these days in macular degeneration. Light flashes can also be caused by retinal traction and impending retinal tear. A good thorough retinal exam will eliminate most causes for concern.